7.4V 4.4ah 18650 Lithium Battery 4400mAh

• Customization: Available
• Type: Lithium Metal Battery
• Cathode Material: LNO
• Model NO.: 18650/2S2P/4400mAh/7.4V
• Rechargeable: Yes
• Size: Small
• Transport Package: Carton
• Specification: MAX74.5× 70× 20mm
• Origin: China

Product Description

Product Parameters

1.Technical parameters

 

Item	Description
Battery Model	18650/2S2P/4400mAh/7.4V
Nominal Voltage	7.4V
Nominal Capacity	4400mAh (discharged to 5.6V at 0.2C)
Factory Voltage	7.4~7.9V
Product Dimensions	MAX74.5×70×20mm
Product Internal Resistance	≤200mΩ
Weight	200g
Output Method	UL1007 20# 110mm red/black wires, stripped 2mm
Compliance Standard	GB/T 18287-2000
Shelf Life	12 months
Operating Temperature	0~45ºC (charging), -20~60ºC (discharging)
Battery Charging	Charge Limit Voltage: 8.4V Charge Current: 1000mA (standard), 1500mA (max)
Battery Discharging	Discharge Cut-off Voltage: 5.6V Discharge Current: 1300mA (standard), 2000mA (max)
Battery Storage Temperature Range	-10ºC~ 45ºC
Storage for 30 Days	-20ºC~60ºC
Storage for 90 Days	-20ºC~30ºC
Long-term Storage (over 3 months)	Stored in dry and cool environment (temperature: 23±5ºC, humidity: 65±20%RH) Storage voltage: 7.4~7.9V

Packaging & Shipping

2.Carton

Certifications

3.Certification

Company Profile

4.Company Profile
The company is located in Shipai Town, Dongguan City, known as the manufacturing capital. With a registered capital of 10 million yuan, it is an innovative enterprise specializing in the independent research and development, production and sales of battery products. It mainly operates battery-related products and services such as ternary lithium batteries, lithium iron phosphate batteries, lithium titanate batteries, solar modules, and special demand batteries. The enterprise adheres to technological innovation as its core Committed to becoming a world-leading provider of battery products and solutions.
The company focuses on a business strategy of personalized customization, independent research and development, technological value-added, and emphasis on core competitiveness. It is equipped with modern lithium battery production and testing equipment and has built an innovative team. The company's technical team has an average of 15 years of working experience in the battery industry, and is familiar with domestic and international battery industry standards as well as battery product development experience. We provide products and services for well-known domestic and foreign enterprises such as SIEMENS, Foxconn, China Shipbuilding Industry Corporation, China Aerospace Science and Industry Corporation, and Guangzhou Dick Medical.
The company adheres to the core values of "cooperation and sharing", and follows the business strategy of "specialized fields, independent research and development, technological value addition, and emphasis on core competitiveness". The company meets and even exceeds customers' demands with excellent products, reliable quality and effective services, and establishes a sustained and good brand image for the company. The company emphasizes the value-added development of its members, with the aim of achieving the common development and value-added of customers, partners, suppliers and company members.
The company has extensive resources in the upstream and downstream of the industry and has established good cooperative relationships with raw material suppliers including Samsung, LG, Lishen and Seiko. The company adheres to the core values of "cooperation and sharing", upholds the principle of cooperation, and establishes close strategic cooperative relations with related enterprises that have competitive advantages, giving full play to their unique competitive advantages respectively, thereby enhancing the overall competitiveness of the supply chain system.
The company adheres to the principle of customer service first and will unswervingly uphold the service policy of "development on demand, 8H response, 24H on-site service, and ten-year maintenance". It is fully committed to providing users with more competitive battery products and solutions, and will join hands with global users and partners to seek common development